Multifunctional graphite spraying clamping jaw

Abstract

The utility model discloses a multifunctional graphite spraying clamping jaw which comprises a supporting plate, a gear installed on one side of the supporting plate, clamping assemblies oppositely arranged on the two sides of the supporting plate and a locking assembly connected to the gear in a sleeved mode. The clamping assembly comprises a guide rail installed on the supporting plate, a sliding block installed on the guide rail, a rack and a clamping jaw, wherein the rack and the clamping jaw are installed on the sliding block, and the rack is meshed with the gear. The gear is driven by the sliding block to move, so that the clamping jaws on the two sides of the gear move relatively, and then the distance between the two clamping jaws is controlled. The pawl arranged on one side of the gear limits the rotating direction of the gear, the gear rotates in one direction and is locked in the reverse direction under the action of the spring, in addition, the annular tooth is connected to the outer side of the gear in a sleeving mode, and the limiting rod matched with the annular tooth is arranged on the gear.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping jaws, in particular to a multifunctional graphite-spraying clamping jaw. Background Art

[0002] The gripper is a mechanical claw used to grab objects, and it works with mechanical parts to grab and stack objects. In the production process of forging workpieces, the gripper is needed to cooperate with the manipulator on the production line of the gas meter to grab and place the meter. The existing gripper lacks self-protection when in use, and cannot lock the position of the gripper when the cylinder fails, making it difficult for the gripper to fall off during the gripping process, causing damage to the round bar material. The manual handling method is not compatible with the automated production method, the handling speed is slow, and high-temperature parts are dangerous.

[0003] The use process of the gripper is that the robot controls the gripper to grab the heated round bar material, send it to the press die, and form it after forging. After the robot grabs the forged workpiece, it sprays graphite on the upper and lower cavities of the die to play a role in cooling and lubrication. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional graphite spraying clamp to solve the above-mentioned problems existing in the prior art.

[0005] Technical solution: A multifunctional graphite-spraying gripper, comprising:

[0006] A support plate, a gear mounted on one side of the support plate, clamping assemblies arranged on two sides of the support plate, and a locking assembly sleeved on the gear;

[0007] The clamping assembly comprises a guide rail mounted on the support plate, a slider mounted on the guide rail, a rack mounted on the slider and a clamping claw, wherein the rack is meshed with the gear;

[0008] The locking assembly includes an annular tooth sleeved on the gear, a limiting ring installed on one side of the gear, a limiting rod arranged on the limiting ring, a clamping claw movably installed on the support plate and abutting against the gear, and a spring installed in the middle of the pawl and connected to the annular tooth.

[0009] In a further embodiment, the support plate is also provided with a cylinder connected to the slider, a fixed seat connected to the support plate, an adjustment bracket arranged on the other side of the support plate, and a feed pipe installed on the adjustment bracket. There are multiple feed pipes and the feed pipes are used to guide the spraying direction of the graphite.

[0010] In a further embodiment, the gear is movably connected to the support plate, the guide rail is threadedly connected to the support plate, the slider is slidably matched with the guide rail, and the guide rail guides the moving direction of the slider.

[0011] In a further embodiment, the annular tooth is loosely matched with the gear and the annular tooth is fixedly mounted on the support plate, the limiting ring is threadedly connected to the gear, the limiting rod is slidingly matched with the limiting ring, a plurality of limiting rods are provided on the limiting ring, the limiting rods are matched with the annular tooth and are a certain distance away from the annular tooth, the annular tooth, the limiting ring and the gear are concentrically arranged, and the limiting rod generates centrifugal force under the rapid rotation of the gear, so that the limiting rod moves out of the limiting ring and contacts the annular tooth.

[0012] In a further embodiment, one end of the pawl is movably connected to the support plate, the other end of the pawl abuts against the gear, one end of the spring is connected to the middle of the pawl, and the other end of the spring is connected to the annular tooth. The spring resets the pawl under the unidirectional rotation of the gear, always keeps it in the original position, and locks the gear rotating in the opposite direction.

[0013] In a further embodiment, a lever is provided at the movable connection between the pawl and the support plate, the lever passes through the support plate, and the lever is fixedly connected to the pawl; a shell is also provided on the support plate, the lever controls the position of the pawl to realize the switching of one-way and two-way rotation of the gear, and the shell covers the clamping assembly and the locking assembly arranged on the support plate.

[0014] Beneficial effects: The utility model discloses a multifunctional graphite spraying clamp, which drives the gear to move through a slider, so that the clamps on both sides of the gear move relatively, thereby controlling the distance between the two clamps; a ratchet arranged on one side of the gear limits the rotation direction of the gear, and under the action of a spring, the gear is allowed to rotate in one direction and locked in the reverse direction; in addition, an annular tooth sleeve is connected to the outside of the gear, and a limit rod cooperating with the annular tooth is arranged on the gear, and the limit rod is restricted by the limit ring. When the rotation speed of the gear exceeds a set range, the limit rod is disengaged from the restriction of the limit ring, so that the limit rod contacts the annular tooth, and the gear is connected to the annular tooth through the limit rod, thereby realizing the locking of the gear; in addition, an adjustment bracket arranged on one side of the clamp adjusts the position of the feed pipe according to the clamping position of the clamp, thereby meeting the spraying and lubrication of graphite at different positions of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a main structural schematic diagram of the utility model.

[0016] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0017] Figure 3 It is a top view structural schematic diagram of the utility model.

[0018] Figure 4 It is a schematic diagram of the ring gear structure of the utility model.

[0019] Figure 5 It is a partially enlarged schematic diagram of the gear of the utility model.

[0020] The accompanying drawings are marked as follows: 1. support plate; 11. cylinder; 12. fixed seat; 13. delivery pipe; 14. adjustment bracket; 15. housing; 21. gear; 22. pawl; 23. annular tooth; 31. slider; 32. rack; 33. clamping claw; 34. guide rail; 211. limit ring; 212. limit rod. DETAILED DESCRIPTION

[0021] The utility model uses a multifunctional graphite-sprayed clamping jaw, which drives the gear to move through a slider, so that the clamping jaws on both sides of the gear move relatively, thereby controlling the distance between the two clamping jaws; a ratchet arranged on one side of the gear limits the rotation direction of the gear, so that the gear can achieve unidirectional rotation and reverse locking. The scheme is described in detail below through specific embodiments.

[0022] Reference Figure 1-Figure 5 A multifunctional graphite spraying clamp is shown, comprising:

[0023] A support plate 1, a gear 21 installed on one side of the support plate 1, a clamping assembly arranged on both sides of the support plate 1, and a locking assembly sleeved on the gear 21; the support plate 1 is also provided with a cylinder 11 connected to the slider 31, a fixing seat 12 connected to the support plate 1, an adjusting bracket 14 arranged on the other side of the support plate 1, and a conveying pipe installed on the adjusting bracket 14, wherein a plurality of conveying pipes 13 are provided and guide the spraying direction of graphite; the gear 21 is movably connected to the support plate 1.

[0024] The clamping assembly includes a guide rail 34 installed on the support plate 1, a slider 31 installed on the guide rail 34, a rack 32 and a clamping claw 33 installed on the slider 31, and the rack 32 is meshed with the gear 21; the guide rail 34 is threadedly connected to the support plate 1, and the slider 31 is slidably matched with the guide rail 34, and the guide rail 34 guides the moving direction of the slider 31.

[0025] The locking assembly includes an annular tooth 23 sleeved on the gear 21, a limiting ring 211 installed on one side of the gear 21, a limiting rod 212 arranged on the limiting ring 211, a clamping claw 33 movably installed on the support plate and abutting against the gear 21, and a spring installed in the middle of the pawl 22 and connected to the annular tooth 23, the annular tooth 23 is clearance-matched with the gear 21 and the annular tooth 23 is fixedly installed on the support plate 1, the limiting ring 211 is threadedly connected to the gear 21, the limiting rod 212 is slidingly matched with the limiting ring 211, a plurality of limiting rods 212 are provided on the limiting ring 211, the limiting rod 212 is matched with the annular tooth 23 and is away from the annular tooth 23 by a distance, the annular tooth 23, the limiting ring 211 and the gear 21 are concentrically arranged, and the limiting rod 212 generates centrifugal force under the rapid rotation of the gear 21, so that the limiting rod 212 moves out of the limiting ring 211 and contacts the annular tooth 23.

[0026] One end of the pawl 22 is movably connected to the support plate 1, and the other end of the pawl 22 abuts against the gear 21. One end of the spring is connected to the middle part of the pawl 22, and the other end of the spring is connected to the annular tooth 23. The spring resets the pawl 22 under the unidirectional rotation of the gear 21, and always keeps it in the original position to lock the gear 21 rotating in the opposite direction; a lever is provided at the movably connected part between the pawl 22 and the support plate 1, and the lever passes through the support plate 1, and the lever is fixedly connected to the pawl 22; a shell 15 is also provided on the support plate 1, and the lever controls the position of the pawl 22 to realize the switching between the unidirectional and bidirectional rotation of the gear 21, and the shell 15 covers the clamping assembly and the locking assembly arranged on the support plate 1.

[0027] Working principle description: first, fix the fixing seat 12 to the external device, control the position of the support plate 1 according to the movement of the external device, then adjust the position of the feed pipe installed on the adjustment bracket 14 according to the clamping position of the clamping claw 33, and then drive the cylinder 11, the cylinder 11 pushes the slide block 31 to move along the direction set by the guide rail 34, so that the rack 32 drives the gear 21 to rotate, and the clamping claw 33 approaches the clamped workpiece, and the gear 21 rotates so that the racks 32 on both sides meshing drive the clamping claw 33 to move relatively, thereby achieving the clamping of the workpiece;

[0028] When the clamping jaw 33 is required to lock the workpiece, the lever must be moved to make the pawl 22 contact the gear 21, and the gear 21 rotates in one direction under the restriction of the pawl 22. When the clamping jaw 33 is required to be separated from the workpiece, the lever must be moved to make the pawl 22 separate from the gear 21.

[0029] When the gear 21 rotates rapidly without the restriction of the pawl 22, the cylinder 11 is determined to be abnormal. In order to prevent the workpiece clamped by the clamp 33 from falling off, during the rotation of the gear 21, when the rotation speed exceeds the restriction of the limit ring 211 on the limit rod 212, the limit rod 212 moves and contacts the annular tooth 23. The rotation of the gear 21 is stopped under the contact between the limit rod 212 and the annular tooth 23, and then the gear 21 is locked to ensure the safety of the workpiece clamped by the clamp 33.

[0030] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A multifunctional graphite spraying clamp, comprising: A support plate, a gear mounted on one side of the support plate, clamping assemblies arranged on two sides of the support plate, and a locking assembly sleeved on the gear; Characterized in that the clamping assembly comprises a guide rail mounted on the support plate, a slider mounted on the guide rail, a rack mounted on the slider and a clamping claw, and the rack is meshed with the gear; The locking assembly includes an annular tooth sleeved on the gear, a limiting ring installed on one side of the gear, a limiting rod arranged on the limiting ring, a clamping claw movably installed on the support plate and abutting against the gear, and a spring installed in the middle of the pawl and connected to the annular tooth.

2. The multifunctional graphite spraying clamp according to claim 1, characterized in that: The support plate is also provided with a cylinder connected to the slider, a fixing seat connected to the support plate, an adjusting bracket arranged on the other side of the support plate, and a material conveying pipe installed on the adjusting bracket.

3. The multifunctional graphite spraying clamp according to claim 1, characterized in that: The gear is movably connected to the support plate, the guide rail is threadedly connected to the support plate, and the slider is slidably matched with the guide rail.

4. The multifunctional graphite spraying clamp according to claim 1, characterized in that: The annular teeth are loosely matched with the gear and are fixedly mounted on the support plate. The limiting ring is threadedly connected to the gear. The limiting rod is slidably matched with the limiting ring. A plurality of limiting rods are provided on the limiting ring. The limiting rods are matched with the annular teeth and are a certain distance away from the annular teeth.

5. The multifunctional graphite spraying clamp according to claim 1, characterized in that: One end of the pawl is movably connected to the support plate, the other end of the pawl is in contact with the gear, one end of the spring is connected to the middle of the pawl, and the other end of the spring is connected to the annular tooth.

6. The multifunctional graphite spraying clamp according to claim 5, characterized in that: A lever is provided at the movable connection between the pawl and the support plate. The lever passes through the support plate and is fixedly connected to the pawl. A shell is also provided on the support plate.

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